What is the cheapest airline that flies from San Diego to Barcelona?

British Airways, KLM, and Delta are the most popular carriers operating from San Diego to Barcelona

What airlines fly to Barcelona?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Barcelona from San Diego according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of January 2026.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$263 Cheap Flights from San Diego to Barcelona in 2026

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Find the cheapest flights from San Diego to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:45 pm - 9:35 am

SAN

BCN

35h 50m2 stops

6:35 am - 8:49 pm

BCN

SAN

23h 14m2 stops

$485Multiple Airlines

Sun, Feb 8 - Mon, Feb 23

8:10 am - 2:15 pm

SAN

BCN

21h 05m2 stops

6:45 am - 8:49 pm

BCN

SAN

23h 04m3 stops

$486United Airlines

Mon, Feb 2 - Tue, Feb 10

2:00 pm - 7:05 pm

SAN

BCN

20h 05m1 stop

10:05 am - 1:05 pm

BCN

SAN

35h 00m1 stop

$487KLM

Thu, Mar 5 - Mon, Mar 16

3:38 pm - 10:35 pm

SAN

BCN

22h 57m2 stops

10:30 am - 12:41 pm

BCN

SAN

35h 11m1 stop

$488British Airways

Thu, Mar 19 - Wed, Apr 1

3:38 pm - 10:35 pm

SAN

BCN

22h 57m2 stops

5:10 pm - 5:50 pm

BCN

SAN

33h 40m1 stop

$489British Airways

Thu, Mar 19 - Tue, Apr 7

7:00 pm - 5:55 pm

SAN

BCN

14h 55m1 stop

10:30 am - 10:34 pm

BCN

SAN

21h 04m1 stop

$490Iberia

Mon, Mar 16 - Tue, Mar 31

6:30 am - 9:00 am

SAN

BCN

17h 30m1 stop

11:15 am - 9:39 pm

BCN

SAN

19h 24m2 stops

$492British Airways

Fri, Feb 13 - Wed, Feb 18

7:00 am - 4:20 pm

SAN

BCN

24h 20m2 stops

5:50 am - 10:00 pm

BCN

SAN

25h 10m2 stops

$493Lufthansa

Sat, Feb 21 - Sat, Feb 28

3:38 pm - 10:35 pm

SAN

BCN

22h 57m2 stops

10:15 am - 9:44 pm

BCN

SAN

20h 29m2 stops

$500British Airways

Thu, Mar 19 - Thu, Apr 2

1:26 pm - 6:35 pm

SAN

BCN

20h 09m2 stops

10:30 am - 11:16 pm

BCN

SAN

21h 46m1 stop

$501British Airways

Wed, Apr 15 - Tue, May 5

United Airlines flights from San Diego to Barcelona

Our best United Airlines deals on San Diego to Barcelona flight tickets

United Airlines

Feb 2

SAN8:10 amSan Diego

21h 05m

2 stops

BCN2:15 pmBarcelona-El Prat

Feb 10

BCN6:45 amBarcelona-El Prat

23h 04m

3 stops

SAN8:49 pmSan Diego

$486

Find similar

United Airlines

Apr 1

SAN11:01 amSan Diego

26h 24m

2 stops

BCN10:25 pmBarcelona-El Prat

Apr 14

BCN12:15 pmBarcelona-El Prat

34h 36m

3 stops

SAN1:51 pmSan Diego

$524

Find similar

United Airlines

Mar 24

SAN6:30 amSan Diego

18h 05m

2 stops

BCN8:35 amBarcelona-El Prat

Mar 31

BCN12:15 pmBarcelona-El Prat

41h 24m

3 stops

SAN8:39 pmSan Diego

$553

Find similar

Iberia flights from San Diego to Barcelona

Our best Iberia deals on San Diego to Barcelona flight tickets

Iberia

Mar 16

SAN7:00 pmSan Diego

14h 55m

1 stop

BCN5:55 pmBarcelona-El Prat

Mar 31

BCN10:30 amBarcelona-El Prat

21h 04m

1 stop

SAN10:34 pmSan Diego

$490

Find similar

Iberia

Jan 15

SAN7:10 amSan Diego

17h 35m

2 stops

BCN9:45 amBarcelona-El Prat

Jan 22

BCN10:40 amBarcelona-El Prat

21h 10m

1 stop

SAN10:50 pmSan Diego

$500

Find similar

Iberia

Jan 15

SAN7:10 amSan Diego

17h 35m

2 stops

BCN9:45 amBarcelona-El Prat

Apr 26

BCN10:30 amBarcelona-El Prat

21h 46m

1 stop

SAN11:16 pmSan Diego

$550

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 2/8

12:45 pm-9:35 am

2 stops35h 50m

Barcelona-El Prat

Mon 2/23

6:35 am-8:49 pm

2 stops23h 14m

$485

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 2/2

8:10 am-2:15 pm

2 stops21h 05m

Barcelona-El Prat

Tue 2/10

6:45 am-8:49 pm

3 stops23h 04m

$486

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 3/5

2:00 pm-7:05 pm

1 stop20h 05m

Barcelona-El Prat

Mon 3/16

10:05 am-1:05 pm

1 stop35h 00m

$487

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 3/19

3:38 pm-10:35 pm

2 stops22h 57m

Barcelona-El Prat

Wed 4/1

10:30 am-12:41 pm

1 stop35h 11m

$488

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 3/19

3:38 pm-10:35 pm

2 stops22h 57m

Barcelona-El Prat

Tue 4/7

5:10 pm-5:50 pm

1 stop33h 40m

$489

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 3/16

7:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Tue 3/31

10:30 am-10:34 pm

1 stop21h 04m

$490

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 2/13

6:30 am-9:00 am

1 stop17h 30m

Barcelona-El Prat

Wed 2/18

11:15 am-9:39 pm

2 stops19h 24m

$492

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 2/21

7:00 am-4:20 pm

2 stops24h 20m

Barcelona-El Prat

Sat 2/28

5:50 am-10:00 pm

2 stops25h 10m

$493

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 3/19

3:38 pm-10:35 pm

2 stops22h 57m

Barcelona-El Prat

Thu 4/2

10:15 am-9:44 pm

2 stops20h 29m

$500

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 4/15

1:26 pm-6:35 pm

2 stops20h 09m

Barcelona-El Prat

Tue 5/5

10:30 am-11:16 pm

1 stop21h 46m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of January is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $628. If you don’t want to visit Barcelona in January, then you should wait until February to fly from San Diego, when ticket prices are also cheap, with an average price of $632.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $808 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $719 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Fastest flight time	14h 50m
Direct flights	None

The fastest flight from San Diego to Barcelona takes 14h 50m

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 14h 50m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of January 2026.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $465	Free Cancellation	Rating 6.8 7,692 reviews	Search Lufthansa flights
KLM	PriceFrom $483	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
Iberia	PriceFrom $492	Free Cancellation	Rating 7.0 3,076 reviews	Search Iberia flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,602 reviews	Search Air Canada flights
Delta	PriceFrom $531	Free Cancellation	Rating 7.9 8,025 reviews	Search Delta flights
United Airlines	PriceFrom $549	Free Cancellation	Rating 7.4 9,138 reviews	Search United Airlines flights
British Airways	PriceFrom $567	Free Cancellation	Rating 6.7 7,657 reviews	Search British Airways flights
American Airlines	PriceFrom $604	Free Cancellation	Rating 7.2 11,094 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.